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CVE-2026-81016 platform/x86/amd/pmc: Propagate SMU errors and validate S2D address

🗓️ 11 Sep 2026 19:43:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

AMD PMC in Linux kernel ignores SMU errors and unvalidated S2D address, causing ioremap on RAM.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-81016
11 Sep 202619:43
cve
euvd
EUVD
EUVD-2026-76339
11 Sep 202619:43
euvd
nvd
NVD
CVE-2026-81016
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90146
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-81016
11 Sep 202620:53
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/platform/x86/amd/pmc/mp1_stb.c"
    ],
    "versions": [
      {
        "version": "3d7d407dfb05b257e15cb0c6b056428a4a8c2e5d",
        "lessThan": "8178f59d76570b152d836bde07f5997f15861f04",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3d7d407dfb05b257e15cb0c6b056428a4a8c2e5d",
        "lessThan": "775d4cde1f9737796ce7d8393521e9e8c5b49891",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3d7d407dfb05b257e15cb0c6b056428a4a8c2e5d",
        "lessThan": "0225c1d637687b03726f00ac65b6def843d2c464",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/platform/x86/amd/pmc/mp1_stb.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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